42 lines
1.9 KiB
JavaScript
42 lines
1.9 KiB
JavaScript
|
const repeatString = require('./repeatString-solution');
|
||
|
|
|
||
|
|
describe('repeatString', () => {
|
||
|
|
test('repeats the string', () => {
|
||
|
|
expect(repeatString('hey', 3)).toEqual('heyheyhey');
|
||
|
|
});
|
||
|
|
test.skip('repeats the string many times', () => {
|
||
|
|
expect(repeatString('hey', 10)).toEqual(
|
||
|
|
'heyheyheyheyheyheyheyheyheyhey'
|
||
|
|
);
|
||
|
|
});
|
||
|
|
test.skip('repeats the string 1 times', () => {
|
||
|
|
expect(repeatString('hey', 1)).toEqual('hey');
|
||
|
|
});
|
||
|
|
test.skip('repeats the string 0 times', () => {
|
||
|
|
expect(repeatString('hey', 0)).toEqual('');
|
||
|
|
});
|
||
|
|
test.skip('returns ERROR with negative numbers', () => {
|
||
|
|
expect(repeatString('hey', -1)).toEqual('ERROR');
|
||
|
|
});
|
||
|
|
test.skip('repeats the string a random amount of times', function () {
|
||
|
|
/*The number is generated by using Math.random to get a value from between
|
||
|
|
0 to 1, when this is multiplied by 1000 and rounded down with Math.floor it
|
||
|
|
equals a number between 0 to 999 (this number will change everytime you run
|
||
|
|
the test).*/
|
||
|
|
|
||
|
|
// DO NOT use Math.floor(Math.random() * 1000) in your code,
|
||
|
|
// this test generates a random number, then passes it into your code with a function parameter.
|
||
|
|
// If this doesn't make sense, you should go read about functions here: https://www.theodinproject.com/paths/foundations/courses/foundations/lessons/fundamentals-part-3
|
||
|
|
const number = Math.floor(Math.random() * 1000);
|
||
|
|
/*The .match(/((hey))/g).length is a regex that will count the number of heys
|
||
|
|
in the result, which if your function works correctly will equal the number that
|
||
|
|
was randomaly generated. */
|
||
|
|
expect(repeatString('hey', number).match(/((hey))/g).length).toEqual(
|
||
|
|
number
|
||
|
|
);
|
||
|
|
});
|
||
|
|
test.skip('works with blank strings', () => {
|
||
|
|
expect(repeatString('', 10)).toEqual('');
|
||
|
|
});
|
||
|
|
});
|